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Asier Zarraonandia Ayo
Chief Executive Officer at
BEFESA S.A.
Net worth: 204 000 $ as of 2026-08-30
Profile
Currently, Asier Zarraonandia Ayo is Chief Executive Officer & Executive Director at Befesa SA since 2022.
He is Chief Executive Officer at Befesa Zinc SA since 2006.
He serves as Director & Vice President-Steel Recycling at Befesa Medio Ambiente SL, Director at Befesa Zinc Recytech SAS, Managing Director at Befesa Zinc Germany GmbH, and Independent Non-Executive Director at Global Atomic Corp.
since 2010.
Formerly, he was Chief Executive Officer at Befesa Steel Services GmbH from 2006 to 2022.
He was Director at Silvermet, Inc. and Director & VP-Steel Dust Recycling Services at Befesa Medio Ambiente SA. From 2004 to 2006, he was Financial Controller at Abengoa SA. He worked as Senior Manager-Audit at Arthur Andersen Société Civile.
From 2001 to 2004, he was Chief Financial Officer at Befesa Aluminium Germany GmbH.
Education includes an undergraduate degree from The University of the Basque Country, conferred in 1990.
Known holdings in public companies
| Company | Date | Number of shares | Valuation | Valuation date |
|---|---|---|---|---|
| 2025-05-05 | 500,000 ( 0.1% ) | 204 000 $ | 2026-08-30 |
Asier Zarraonandia Ayo active positions
| Companies | Position | Start |
|---|---|---|
| GLOBAL ATOMIC CORPORATION | Director/Board Member | 2009-12-31 |
| BEFESA S.A. | Chief Executive Officer | 2022-07-11 |
Befesa Zinc SA
 Befesa Zinc SA Other Metals/MineralsNon-Energy Minerals Recovers and recycles zinc and zinc dust from scrap | Chief Executive Officer | 2005-12-31 |
Befesa Medio Ambiente SL
 Befesa Medio Ambiente SL Environmental ServicesIndustrial Services Provides waste disposal and environmental management services | Director/Board Member | - |
Befesa Zinc Germany GmbH
 Befesa Zinc Germany GmbH Environmental ServicesIndustrial Services Operates steel dust residues, which contain a variety of heavy metals | Chief Executive Officer | - |
Recytech SA
 Recytech SA Other Metals/MineralsNon-Energy Minerals Provides steel dust recycling services | Director/Board Member | - |
Former positions of Asier Zarraonandia Ayo
| Companies | Position | End |
|---|---|---|
Befesa Steel Services GmbH
 Befesa Steel Services GmbH MiscellaneousMiscellaneous Functions as an investment holding company | Chief Executive Officer | 2021-12-31 |
| ABENGOA, S.A. | Comptroller/Controller/Auditor | 2005-12-31 |
Befesa Aluminium Germany GmbH
 Befesa Aluminium Germany GmbH Wholesale DistributorsDistribution Services Provides recycling of steel dust and aluminium residues | Director of Finance/CFO | 2004-01-01 |
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| ░░░░░░ ░░░░░ ░░░░░░░░ ░░ | ░░░░░░░░░░░░░░ ░░░░░░ | - |
Training of Asier Zarraonandia Ayo
Experiences
Positions held
Active
Inactive
Listed companies
Private companies
Connections
53
1st degree connections
13
1st degree companies
Male
Female
Members of the board
Executives
Linked companies
| Private companies | 13 |
|---|---|
Abengoa SA
 Abengoa SA Engineering & ConstructionIndustrial Services Engages in design and construction of water treatment plants, hydraulic infrastructures and hydroelectric power plants | Industrial Services |
Silvermet, Inc.
 Silvermet, Inc. Other Metals/MineralsNon-Energy Minerals Engages in the electric arc furnace dust recycling business | Non-Energy Minerals |
Befesa Medio Ambiente SA
 Befesa Medio Ambiente SA Environmental ServicesIndustrial Services Provides waste treatment services | Industrial Services |
Befesa Medio Ambiente SL
Befesa Medio Ambiente SL Environmental ServicesIndustrial Services Provides waste disposal and environmental management services | Industrial Services |
The University of the Basque Country
 The University of the Basque Country Other Consumer ServicesConsumer Services Functions as a College/University | Consumer Services |
Befesa Steel Services GmbH
Befesa Steel Services GmbH MiscellaneousMiscellaneous Functions as an investment holding company | Miscellaneous |
Arthur Andersen Société Civile
 Arthur Andersen Société Civile Miscellaneous Commercial ServicesCommercial Services Part of Arthur Andersen LLP, Arthur Andersen Société Civile is a company based in Luxembourg, Luxembourg. | Commercial Services |
Recytech SA
Recytech SA Other Metals/MineralsNon-Energy Minerals Provides steel dust recycling services | Non-Energy Minerals |
Befesa Zinc Germany GmbH
Befesa Zinc Germany GmbH Environmental ServicesIndustrial Services Operates steel dust residues, which contain a variety of heavy metals | Industrial Services |
Befesa Zinc SA
Befesa Zinc SA Other Metals/MineralsNon-Energy Minerals Recovers and recycles zinc and zinc dust from scrap | Non-Energy Minerals |
Befesa SA
 Befesa SA Environmental ServicesIndustrial Services Engages in steel dust and aluminum salt slags recycling services | Industrial Services |
Global Atomic Corp.
 Global Atomic Corp. Other Metals/MineralsNon-Energy Minerals Engages in acquisition and development of uranium & zinc mining properties | Non-Energy Minerals |
Befesa Aluminium Germany GmbH
Befesa Aluminium Germany GmbH Wholesale DistributorsDistribution Services Provides recycling of steel dust and aluminium residues | Distribution Services |
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- Asier Zarraonandia Ayo
